Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D361081 | Fastener arrangement for dive mask strap | — | 1995-08-08 |
| 5299446 | Method and apparatus for calibrating a multiple port pump | Robert E. Ennesser, III | 1994-04-05 |
| 5246354 | Valveless metering pump with reciprocating, rotating piston | — | 1993-09-21 |
| 5232669 | Pipette tip with self-aligning and self-sealing features | — | 1993-08-03 |
| 5120199 | Control system for valveless metering pump | Randall E. Youngs | 1992-06-09 |
| 5015157 | Pump with multi-port discharge | Dennis Pinkerton, Robert W. Jaekel | 1991-05-14 |